Using EMS HA Monitors

48 Chapter 2
Monitoring Disk Resources
Creating Disk Monitoring Requests
Disk Monitoring Request Suggestions
The examples listed in Table 2-7 are valid for both RAID and mirrored
configurations. For examples on configuring MC/ServiceGuard dependencies, see
Chapter 1, “Configuring MC/ServiceGuard Package Dependencies”.
Table 2-7 Suggestions for Creating Disk Monitor Requests
To be alerted when...
Resources to
monitor
Monitoring Parameters
Notify Value Option
you are at risk for data
loss (most common for
use with
MC/ServiceGuard)
pv_summary when value is >=
SUSPECT
lv_summary when value is >=
INACTIVE_
DOWN
any disks fail pv_pvlink/status/* when value is not
equal
UP
any disks fail, and you
want to know when
they are back up
pv_pvlink/status/* when value is not
equal
UP
RETURN
you want regular
reminders to fix
inoperative disks,
controllers, busses,
and host adapters, and
you want notification
when they are fixed
pv_pvlink/status/* at each interval
(use a long
polling
interval, 1 hour
or more)
= DOWN
REPEAT
RETURN
any logical volume
becomes unavailable
lv/status/* when value is... not
equal
UP
you have lost a mirror
in your 2-way
mirroring environment
lv/copies/* when value is... < 2